<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="/Demo1/demo2" method="post">
    <input type="text" name="username" id="username"/><br/>
    <input type="text" name="password" id="password"/><br/>
    <input type="submit" name="submit" value="提交"/>
</form>
</body>
</html>